<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Lesson01</title>
    <link href="https://cdn.bootcss.com/semantic-ui/2.2.10/semantic.min.css" rel="stylesheet">
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://cdn.bootcss.com/semantic-ui/2.2.10/semantic.min.js"></script>
</head>
<body>
<div class="ui card">
    <div class="image">
        <img src="/images/wireframe/image.png">
    </div>
    <div class="content">
        <a class="header">Project</a>
        <div class="meta">
            <span class="date">Started in 2014</span>
        </div>
    </div>
    <div class="extra content">
        <a>
            <i class="user icon"></i>
            22 Friends
        </a>
    </div>
    <div class="ui bottom attached progress">
        <div class="bar"></div>
    </div>
</div>
<button class="ui primary button">Click</button>
<script>
    $(function(){
        $('button').click(function(){
            alert($.fn.jquery)
            console.log($('.icon').css('backgroundColor','black'))
        })
    })
</script>
</body>
</html>